User contributions for Admin

Jump to navigation Jump to search
Search for contributionsExpandCollapse
⧼contribs-top⧽
⧼contribs-date⧽

14 December 2023

5 December 2023

4 December 2023

3 December 2023

1 December 2023

30 November 2023

29 November 2023

28 November 2023

27 November 2023

26 November 2023

23 November 2023

22 November 2023

21 November 2023

20 November 2023

17 November 2023

16 November 2023

15 November 2023

8 November 2023

7 November 2023

2 November 2023

1 November 2023

31 October 2023

26 October 2023

25 October 2023

24 October 2023

20 October 2023

19 October 2023

18 October 2023

17 October 2023

16 October 2023

14 October 2023

12 October 2023

11 October 2023

9 October 2023

8 July 2023

  • 08:3808:38, 8 July 2023 diff hist +698 N Potassium iodideCreated page with "{{Compound|chemf=KI|group=salts |mm=168.0028|mp=681|bp=1330|density=3.123|sol_aq=1400|sol_et=20 |nfpa_h=1 |medicine=yes|med_class=Dietary Supplements |medication=yes|listed_who=yes}} ==Uses== ===Primary=== * Pharm: WHO LEM dietary supplement * Thyroid protection ==Natural occurrence== * Potassium iodide occurs in kelp ==Hazards== ==Production== ===Extraction=== ===Synthesis=== #Combine iodine with potassium hydroxide in water and heat. #: {{#Chem: 3I2 + 6K..." current

7 July 2023

5 July 2023

4 July 2023

3 July 2023

1 July 2023

30 June 2023

  • 06:4006:40, 30 June 2023 diff hist +356 N Calcium bromideCreated page with "{{Compound|chemf=CaBr2 |mm=199.89|density=3.353|mp=730|bp=1815|sol_aq=1430 |stp_p=crystals|stp_q=white }} ==Uses== *Feedstock for hydrobromic acid ===Other=== ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>" current
  • 01:1801:18, 30 June 2023 diff hist +848 N Calcium nitrateCreated page with "{{Compound|chemf=Ca(NO3)2 |mm=164.088|density=2.504|mp=561 |group=salts |stp_p=crystal|stp_q=white |nfpa_h=1|nfpa_r=3|nfpa_o=OX}} ==Uses== {{Justify}} ===Other=== * Feedstock for potassium nitrate and sodium nitrate ==Natural occurrence== Calcium nitrate occurs naturally as a result of bacterial nitrification in compost ==Hazards== ==Production== ===Synthesis=== * Neutralize nitric acid with a calcium salt (calcium carbonate) *: {{#Chem: 2HNO3 + CaC..." current
  • 01:1601:16, 30 June 2023 diff hist +4,200 N SaltpeterCreated page with "Saltpeter is a mixture of alkali nitrates, including potassium nitrate, sodium nitrate and calcium nitrate. It is extremely valuable in early chemistry as the most common source of the nitrate ({{#Chem: NO3}} anion) until the haber/bosch/ostwald chain becomes available. ==Uses== * Essential for efficient production of sulfuric acid via the chamber process * Feedstock for nitric acid * Essential for the production of blackpowder ==Natural occu..." current
  • 01:1301:13, 30 June 2023 diff hist +440 N Silver nitrateCreated page with "{{Compound|chemf=AgNO3 |mm=169.872|density=4.35|mp=209.7|bp=440|sol_aq=2560 |stp_p=liquid|stp_q=clear, colorless |nfpa_h=3 |nfpa_r=2 |nfpa_o=OX }} ==Uses== ===Other=== * Feedstock for nitric acid via halide acids * Early photographic material ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>" current

29 June 2023

28 June 2023

  • 22:4922:49, 28 June 2023 diff hist +3 Hydrobromic acidNo edit summary current
  • 22:4822:48, 28 June 2023 diff hist +2,033 N Mineral acid intraconversionCreated page with "{|class=wikitable |+Mineral acid intraconversion !colspan=2 rowspan=2|  !colspan=9|To |- !{{acidlink|Sulfuric}} !{{acidlink|Nitric}} !{{acidlink|Phosphoric}} !{{acidlink|Boric}} !{{acidlink|Perchloric}} !{{acidlink|Hydrofluoric}} !{{acidlink|Hydrochloric}} !{{acidlink|Hydrobromic}} !{{acidlink|Hydroiodic}} |- !rowspan=9|From !{{acidlink|Sulfuric}}||—||Saltpeter↑||Apatite↑||Borax↑||[[Calcium perchlorate {{!}}{{#Chem:Ca(ClO4)2}}]]&darr..."

25 June 2023

24 June 2023

  • 19:5219:52, 24 June 2023 diff hist +117 Hydrobromic acid→‎Synthesis
  • 19:4219:42, 24 June 2023 diff hist +350 N Sodium bromideCreated page with "{{Compound|chemf=NaBr |mm=102.894|density=3.21|mp=747|bp=1390|sol_aq=943.2 |stp_p=solid|stp_q=white }} ==Uses== ===Other=== Precursor to hydrbromic acid ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>" current
  • 18:1218:12, 24 June 2023 diff hist +366 N Sodium iodideCreated page with "{{Compound|chemf=NaI |mm=149.894|density=3.67|mp=661|bp=1304|sol_aq=1842 |stp_p=solid|stp_q=white |nfpa_h=1|nfpa_r=1 }} ==Uses== Precursor to hydroiodic acid ===Other=== ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>" current
  • 16:0116:01, 24 June 2023 diff hist +357 N Perchloric acidCreated page with "{{Compound|chemf=HClO4 |mm=100.46|density=1.768|mp=-17|bp=203|sol_aq=misc |stp_p=liquid|stp_q=clear |nfpa_h=3|nfpa_r=3|nfpa_o=OX }} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== ==Character== ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>"

23 June 2023

  • 20:0220:02, 23 June 2023 diff hist +1,607 N Potassium nitrateCreated page with "{{Compound|chemf=KNO3|group=salts |mm=101.1032|density=2.109|mp=334|sol_aq=316|sol_et=non |stp_p=crystal|stp_q=white |nfpa_h=1|nfpa_o=OX |decomp={{DecompRow|input=Potassium nitrate|temp=400|output={{#Chem: KNO2, O2}}}} }} ==Uses== ===Primary=== * Source of nitrate ions for nitric acid, paracetamol, etc. * Oxidizer for blackpowder * Fertilizer ==Natural occurrence== * Chilean saltpeter is a mixture of potassium nitrate and sodium nitrate * Baraud is another ev..." current
  • 20:0020:00, 23 June 2023 diff hist +243 N ApatiteCreated page with "{{Mineral |name=Apatite |freq=uncommon |hardness=5 |density=3.16-3.22 |chemf=Ca5(PO4)3(F,Cl,OH) |isphosphate=yes }} Apatite is a mineral composed primarily of calcium triphosphate. If any fluorine is present, it is considered fluorapatite." current
  • 19:5919:59, 23 June 2023 diff hist +84 BoraxNo edit summary current
  • 19:5819:58, 23 June 2023 diff hist +167 N BoraxCreated page with "{{ Mineral | name = Fluorite | freq = common | hardness = 5 | density = 3.1-3.6 | chemf = CaF2 }} Fluorite (also called fluorspar) is a key source of fluorine"
  • 19:5619:56, 23 June 2023 diff hist +167 N FluoriteCreated page with "{{ Mineral | name = Fluorite | freq = common | hardness = 5 | density = 3.1-3.6 | chemf = CaF2 }} Fluorite (also called fluorspar) is a key source of fluorine" current
  • 19:4719:47, 23 June 2023 diff hist +893 N Hydroiodic acidCreated page with "{{Compound|chemf=HI|mm=127.91|density=2.85(l)|mp=-50.80|bp=-33.56|sol_aq=2450|stp_p=gas|stp_q=colorless|nfpa_h=2|nfpa_r=1|nfpa_o=COR|listed_dea=yes}} ==Uses== ===Primary=== * Source of iodide in chemical reactions ==Natural occurrence== * '''Does not''' occur naturally ==Hazards== ==Production== ===Synthesis=== : '''NB''' phosphoric acid, rather than sulfuric acid is used to produce acid from iodides, since the sulfuric acid produces side reactions instead. ====f..."
  • 19:4519:45, 23 June 2023 diff hist +1,759 N Hydrofluoric acidCreated page with "{{Compound|name=Hydrofluoric acid|chemf=HF|mm=20.01|density=.00115|mp=-83.6|bp=19.5|group=Mineral Acids|stp_p=gas|stp_q=ultra-pale yellow|nfpa_h=4|nfpa_o=ACID}} ==Uses== ===Primary=== * Production of aluminum * Key fluorine transport ==Natural occurrence== Hydrofluoric acid does '''not''' occur naturally. ==Hazards== This is a '''highly''' dangerous substance. * Pure gaseous hydrogen fluoride is toxic and corrosive. It is '''very''' dangerous. * Aqueous hydro..." current
  • 19:1519:15, 23 June 2023 diff hist 0 Category:Mineral Acids→‎See Also current
  • 19:1419:14, 23 June 2023 diff hist −7 Boric acidNo edit summary
  • 19:1319:13, 23 June 2023 diff hist +27 Boric acid→‎References
  • 19:1119:11, 23 June 2023 diff hist +10 Boric acidNo edit summary
  • 19:1019:10, 23 June 2023 diff hist +345 N Boric acidCreated page with "{{Compound|chemf=H3BO3 |mm=161.83|density=1.435|mp=170.9|bp=300|sol_aq=4.72 |stp_p=crystals|stp_q=white }} ==Uses== {{Justify}} ===Other=== ==Natural occurrence== ==Hazards== ==Character== mineral acid ==Production== ===Extraction=== ===Synthesis=== ==Testing== ==Purification== ==Storage== ==Disposal== ==See Also== ==References== <references/>"
  • 17:4517:45, 23 June 2023 diff hist +28 N Template:AcidlinkCreated page with "[[{{{1}}} acid{{!}}{{{1}}}]]" current
  • 17:3917:39, 23 June 2023 diff hist +12 Hydrobromic acid→‎Synthesis
  • 17:3417:34, 23 June 2023 diff hist +1,259 N Hydrobromic acidCreated page with "{{Compound|chemf=HBr|mm=80.91|density=0.0036452|mp=-86.9|bp=-66.8|sol_aq=1930|group=Mineral Acids|stp_p=gas|stp_q=colorless/faint yellow|nfpa_h=3|ior=1.325}} ==Uses== ===Primary=== * Key chemical intermediate for bromine chemistry. ==Natural occurrence== * '''does not''' occur naturally. ==Hazards== * HBr is highly corrosive and irritating to inhalation. ==Production== ===Extraction=== ===Synthesis=== * Combine potassium bromide and sulfuric acid: *: {{#Chem: KB..."

21 June 2023

12 June 2023

14 April 2023

22 July 2021

21 July 2021

13 April 2021

2 October 2019

30 September 2019

27 September 2019

22 September 2019

21 September 2019

18 September 2019

15 September 2019

9 September 2019

7 September 2019

6 September 2019

5 September 2019

2 September 2019

27 August 2019

26 August 2019

25 August 2019

8 August 2019

7 August 2019

6 August 2019

5 August 2019

28 June 2019

27 June 2019

  • 23:1223:12, 27 June 2019 diff hist +15 Sulfur→‎See Also
  • 23:1123:11, 27 June 2019 diff hist +166 N BariteCreated page with "{{Ore |name=Barite |freq=common |hardness=3-3.5 |density=4.3-5 |chemf=BaSO4 |issulfate=yes |m1=Ba }} Barite, along with witherite is a primary ore of barium."
  • 23:1023:10, 27 June 2019 diff hist +1 Sulfur→‎See Also
  • 23:0923:09, 27 June 2019 diff hist −16 Sulfur→‎See Also
  • 23:0723:07, 27 June 2019 diff hist +204 Sulfur→‎See Also
  • 20:5520:55, 27 June 2019 diff hist −50 Lead sulfideNo edit summary
  • 20:5520:55, 27 June 2019 diff hist −101 ChromiumNo edit summary current
  • 20:2620:26, 27 June 2019 diff hist +707 N QuartzCreated page with "{{Mineral |name=Quartz |freq=common |hardness=7 |density=2.65 |chemf=SiO2 }} Quartz is a mineral composed entirely of silicon dioxide. Both the "rock crystal" form and the..." current
  • 16:4316:43, 27 June 2019 diff hist +393 N CinnabarCreated page with "{{Ore |name=Cinnabar |freq=uncommon |hardness=2-2.5 |density=8 |chemf=HgS |m1=Hg |calctemp=580 |calcprod=HgO |decomp= {{TDRow | input=Cinnabar ({{#Chem: HgS}}) | output..." current
  • 16:4216:42, 27 June 2019 diff hist +7,790 N Chamber processCreated page with "A.K.A. '''Lead chamber process'''. This process converts sulfur, water, and air to sulfuric acid. The maximum concentration using the chamber process is approx..."
  • 16:4216:42, 27 June 2019 diff hist +393 N MagnetiteCreated page with "{{Ore |name=Magnetite |freq=common |hardness=5.5-6.5 |density=5.17 |chemf=Fe3O4 |m1=Fe }} Magnetite, along with Hematite and iron pyrite is a primary ore of iron...." current
  • 16:4116:41, 27 June 2019 diff hist +182 N HematiteCreated page with "{{Ore |name=Iron pyrite |freq=common |hardness=6-6.5 |density=5 |chemf=FeS2 |m1=Fe |calcprod=Fe2O3 }} pyrite, along with Hematite and Magnetite is a primary ore of ..." current
  • 16:4016:40, 27 June 2019 diff hist +181 N Iron pyriteCreated page with "{{Ore |name=Iron pyrite |freq=common |hardness=6-6.5 |density=5 |chemf=FeS2 |m1=Fe |calcprod=Fe2O3 }} pyrite, along with Hematite and Magnetite is a primary ore of i..."
  • 16:3916:39, 27 June 2019 diff hist +1,993 N UreaseCreated page with "Urease is an enzyme that converts urea into ammonia. ==Uses== Urease autocatalyzes the conversion of urea to ammonia : {{#Chem: CO(NH2)2 + H2O { urease = } 2NH3 +..."
  • 16:3916:39, 27 June 2019 diff hist +3,728 N Sulfur dioxideCreated page with "{{Compound|chemf=SO3 |mm=64.066|ss=201|mp=-72|bp=-10|sol_aq=94|density=0.0026288 stp_p=gas|stp_q=colorless noxious|nfpa_h=3|nfpa_f=2|idlh=100ppm }} ==Uses== The primary use of..."
  • 16:3616:36, 27 June 2019 diff hist +1,693 N SulfurCreated page with "{{Compound|name=Sulfur|chemf=S|density=2|num=16|group=Nonmetals|stp_p=solid|stp_q=yellow|mm=32|mp=116|bp=444|nfpa_h=1|nfpa_f=1}} ==Uses== ===Primary=== * Feedstock for sulfu..."
  • 16:3416:34, 27 June 2019 diff hist +1,751 N Hydrogen sulfideCreated page with "{{Compound|chemf=H2S |mm=34.1|mp=-82|bp=-60|density=0.001363|fv=17.65|idlh=100ppm |nfpa_h=4|nfpa_f=4|stp_p=gas|stp_q=colorless }} Hydrogen sulfide is a toxic gas evolved from..."
  • 16:3216:32, 27 June 2019 diff hist +1,159 N Sodium sulfateCreated page with "{{Compound|chemf=Na2SO4|group=salts |mm=142.04|density=2.664|mp=884|bp=1429|sol_aq=232 |stp_p=crystals|stp_q=white|nfpa_h=1 |decomp={{DecompSec|start=sodium sulfate decahydrat..." current
  • 16:3116:31, 27 June 2019 diff hist +1,035 N Sodium nitrateCreated page with "{{Compound|chemf=NaNO3|group=salts |mm=85|density=2.257|mp=308 |decomp={{DecompRow|input=sodium nitrate|temp=380|output={{#Chem: NaNO2, O2}}}} |stp_p=crystals|stp_q=white|nfpa..."
  • 16:3016:30, 27 June 2019 diff hist +191 N HemimorphiteCreated page with "{{Ore |name=Hemimorphite |freq=rare |hardness=4.5-5 |density=3.5 |chemf=Zn4Si2O7(OH)2•H2O |m1=Zn |calcprod=ZnO }} Hemimorphite is a hydrated zinc silicate, and a primary sou..." current
  • 16:2916:29, 27 June 2019 diff hist +2,010 N Sodium bisulfateCreated page with "{{Compound|chemf=NaHSO4|group=salts |mm=120.6|density=1.8|mp=315|sol_aq=285 |nfpa_h=2|nfpa_r=1|stp_p=powder|stp_q=white |decomp={{DecompSec|start=sodium bisulfate monohydrate..." current
  • 16:2516:25, 27 June 2019 diff hist +1,179 N Sodium bicarbonateCreated page with "{{Compound|chemf=NaHCO3|group=salts |mm=84.007|density=2.2|stp_p=solid|sol_aq=96|ior=1.583 |stp_p=solid|stp_q=white|nfpa_r=1 |medicine=yes|listed_dhs=yes |decomp={{DecompRow|i..." current
  • 16:2416:24, 27 June 2019 diff hist +437 N SmithsoniteCreated page with "{{Ore |name=Smithsonite |freq=rare |hardness=4.5 |density=4.4 |chemf=ZnCO3 |m1=Zn |calctemp=400-900 |calcprod=ZnO }} Smithsonite, along with Hemimorphite are primary ores..." current
  • 16:2316:23, 27 June 2019 diff hist +1,398 N SiliconCreated page with "{{Compound|name=Silicon|chemf=Si|density=2.33|num=14|group=Metalloids|stp_p=solid|stp_q=black|mm=28.0|mp=1414|bp=3265|nfpa_h=1}} ==Uses== ===Justifying=== * -dioxide is the ke..." current
  • 16:2316:23, 27 June 2019 diff hist +197 N PyrolusiteCreated page with "Pyrolusite is an important ore of manganese {{Ore |name=Pyrolusite |freq=common |hardness=6-6.5 |density=4.4-5 |chemf=MnO2 |m1=Mn }} ==Hazards== * Finely ground pyrolusite..." current
  • 16:2216:22, 27 June 2019 diff hist +744 N Potassium chlorideCreated page with "{{Compound|aka=Sylvite|chemf=KCl|group=salts |mm=74.5513|mp=770|bp=1420|sol_aq=344 |stp_p=crystal|stp_q=white |nfpa_h=1 |medicine=yes |medication=yes|listed_who=yes}} ==Uses==..." current
  • 16:2116:21, 27 June 2019 diff hist +383 N PentlanditeCreated page with "{{ Ore | name=Pentlandite | freq=common | hardness=3.5-4 | density=4.6-5 | chemf=(Fe,Ni)9S8 | issulfide=yes | m1=Ni | m2=Fe | m3= | calctemp= | oxide=NiO }} Pentlan..." current
  • 16:2016:20, 27 June 2019 diff hist +704 N Oxalic acidCreated page with "{{Compound|chemf=C2H2O4 |mm=90.03|density=1.9|mp=189-191|bp=decomp |sol_aq=143|sol_et=237|stp_p=solid|stp_q=white|nfpa_h=3|nfpa_f=1 }} ==Uses== {{Justify}} ===Other=== * Key i..." current
  • 16:1716:17, 27 June 2019 diff hist +1,426 N Magnesium sulfateCreated page with "{{Compound|chemf=MgSO4|group=salts |mm=120.366|density=anh:2.66<br>hept:1.68|sol_aq=255 |stp_p=solid|stp_q=white |nfpa_h=1 |medicine=yes |decomp={{DecompSec |start=magnesium s..."
  • 16:1616:16, 27 June 2019 diff hist +147 N MagnesiteCreated page with "{{Ore |name=Magnesite |freq=common |hardness=3.5-4.5 |density=3.2 |chemf=MgCO3 |m1=Mg |calcprod=MgO }} Magnesite is a primary ore of magnesium." current
  • 16:1516:15, 27 June 2019 diff hist +225 N LimestoneCreated page with "{{Ore |name=Limestone |freq=common |hardness=3-4 |density=2.5 |chemf=CaCO3 |calctemp=825 |calcprod=CaO |m1=Ca }} Limestone is relatively pure calcium carbonate in a highly..."
  • 16:1416:14, 27 June 2019 diff hist +778 N GoethiteCreated page with "{{Ore |name=Goethite |freq=uncommon |hardness=5.5-6 |density=3.3-4.3 |chemf=FeO(OH) |m1=Fe |calctemp=600 |calcprod=FeO }} Goethite is an iron ore that can contain up to 3% Nic..." current
  • 16:1316:13, 27 June 2019 diff hist +2 Lead sulfide→‎Prodution
  • 16:1216:12, 27 June 2019 diff hist +3 Lead sulfide→‎Prodution
  • 16:1216:12, 27 June 2019 diff hist +1,624 N Lead sulfideCreated page with "{{Compound|name=lead sulfide|chemf=PbS|mm=239.3|density=7.60|mp=1118|bp=1281|stp_p=solid|stp_q=black|nfpa_h=2}} ==Uses== ===Primary=== * Source of lead by smelting ===Seco..."
  • 15:2915:29, 27 June 2019 diff hist +270 N GalenaCreated page with "{{Ore |name=Galena |freq=common |hardness=3.5-4 |density=7.5 |chemf=PbS |calctemp=600 |calcprod=PbO |m1=Pb }} Galena is the primary ore of lead. It is composed primarily o..." current

26 June 2019

15 June 2019

14 June 2019